Scottish Health Facilities Note 30 - Health Facilities Scotland

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SHFN 30: Infection Control in the Built Environment: Design and PlanningType 1Type 2Type 3Type 4Inspection and non-invasive activities.Includes, but is not limited to, removal of ceiling tiles for visualinspection, painting which does not include sanding, wall covering,electrical trim work, minor plumbing and activities which do notgenerate dust or require cutting of walls or access to ceilings other thanfor visual inspection.Small scale, short duration activities which create minimal dust.Includes, but is not limited to, installation of telephone and computercabling, access to chase spaces, cutting of walls or ceiling where dustmigration can be controlled.Any work which generates a moderate to high level of dust orrequires demolition or removal of any fixed building componentsor assemblies.Includes but is not limited to, sanding of walls for painting or wallcovering, removal of floor coverings, ceiling tiles and casework, newwall construction, minor duct work or electrical work above ceilings,major cabling activities, and any activity which cannot be completedwithin a single work shift.Major demolition and construction projectsIncludes, but is not limited to, activities which require consecutive workshifts, requires heavy demolition or removal of a complete cablingsystem, and new construction.Table 8: Indicates the types of construction work being carried out within thehealthcare facilityConstruction Project TypePatient Risk Group TYPE 1 TYPE 2 TYPE 3 TYPE 4Low Risk Class I Class II Class II Class III/IVMedium Risk Class I Class II Class III Class IVHigh Risk Class I Class II Class III/IV Class IVHighest Risk Class II Class III/IV Class III/IV Class IVTable 9: Estimates the overall risk of infection arising and will indicate the class ofprecaution that should be implemented.Protection of sensitive areas10.15 Having highlighted the overall degree of infection risk, appropriate controlmeasures can be implemented to manage or eliminate the risk of transmission.Table 10 highlights the appropriate prevention and control of infectionprecautions.Version 3: January 2007 Page 81 of 129©Health Facilities Scotland, a Division of National Services Scotland
SHFN 30: Infection Control in the Built Environment: Design and PlanningDuring construction of a projectUpon completion of a ProjectClass IVClass IIIClass II Class I1. Execute work by methods to minimise raising dustfrom construction operations.2. Immediately replace a ceiling tile displaced forvisual inspection.1. Provide active means to prevent airborne dustfrom dispersing into atmosphere.2. Water mist work surfaces to control dust whilecutting.3. Seal unused doors with duct tape.4. Block off and seal air vents.5. Place dust mat at entrance and exit of work area.6. Remove or isolate HVAC system in areas wherework is being performed.1. Remove or Isolate HVAC system in area wherework is being done to prevent contamination ofduct system.2. Complete all critical barriers ie plasterboard,plywood, plastic, to seal area from non work areaor implement control cube method (cart with plasticcovering and sealed connection to work site withHEPA vacuum for vacuuming prior to exit) beforeconstruction begins.3. Maintain negative air pressure within work siteutilizing HEPA equipped air filtration units.4. Contain construction waste before transport intightly covered containers.5. Cover transport receptacles or carts. Tapecovering unless solid lid.1. Isolate HVAC system in area where work is beingdone to prevent contamination of duct system.2. Complete all critical barriers ie plasterboard,plywood, plastic to seal area from non work areaor implement control cube method (cart with plasticcovering and sealed connection to work site withHEPA vacuum for vacuuming prior to exit) beforeconstruction begins.3. Maintain negative air pressure within work siteutilizing HEPA equipped air filtration units.4. Seal holes, pipes, conduits, and puncturesappropriately.5. Construct anteroom and require all personnel topass through this room so they can be vacuumedusing a HEPA vacuum cleaner before leaving worksite or they can wear cloth or paper coveralls thatare removed each time they leave the work site.6. All personnel entering work site are required towear shoe covers. Shoe covers must be changedeach time the worker exits the work area.7. Do not remove barriers from work area untilcompleted project is inspected.Clean areas.1. Wipe work surfaces with disinfectant.2. Contain construction waste before transportin tightly covered containers.3. Wet mop and/or vacuum with HEPA filteredvacuum before leaving work area.4. Remove isolation of HVAC system in areaswhere work is being performed.1. Do not remove barriers from work area untilcompleted project is inspected by theBoard’s Safety Department and InfectionControl Department and thoroughly cleanedby the Board’s Environmental ServicesDepartment.2. Remove barrier materials carefully tominimise spreading of dirt and debrisassociated with construction.3. Vacuum work area with HEPA filteredvacuums.4. Wet mop area with disinfectant.5. Remove isolation of HVAC system in areaswhere work is being performed.1. Remove barrier material carefully tominimise spreading of dirt and debrisassociated with construction.2. Contain construction waste before transportin tightly covered containers.3. Cover transport receptacles or carts. Tapecovering unless solid lid.4. Vacuum work area with HEPA filteredvacuums.5. Wet mop area with detergent to removephysical soiling before disinfecting area.6. Remove isolation of HVAC system in areaswhere work is being performed.Table 10: Describes the required Infection Control Precautions depending on class ofrisk (Adapted from Kennedy, 1997)Version 3: January 2007 Page 82 of 129©Health Facilities Scotland, a Division of National Services Scotland
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Page 131: 4 th FloorEmpire House131 West Nile
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Scottish Health Facilities Note 30 - Health Facilities Scotland

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